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World Measure
The population almanac240 countries · 31,365 cities · UN WPP 2024
City profile · South Korea · Asia

Cheonan

Chungcheongnam-do · South Korea
City population
658,831
#14
in South Korea
#1
in Chungcheongnam-do
#841
worldwide
SeoulCheonan
36.806, 127.152 · 86 km from Seoul
City population
658,831
Within the city boundary, not a metro area
Rank in South Korea
#14
of 144 cities of 15,000+
World rank
#841
of 31,365 cities listed
Share of South Korea
1.3%
of the national population

About Cheonan

Ranking 841st globally, Cheonan holds a population of 658,831 and accounts for 1.3% of South Korea's inhabitants. The largest city in Chungcheongnam-do province, it sits 86 km from Seoul and stands at 40 m elevation. Pyeongtaek, the nearest major centre at 22 km away, has 364,694 residents; Asan lies 13 km distant with 97,749 people.

This summary is AI-generated from the figures on this page. The figures themselves come from the sources cited beside each value.

Position in South Korea
#14of 144
LargestSmallest
Position in Chungcheongnam-do
#1of 14
LargestSmallest

Key Facts

Country
South Korea
Region
Chungcheongnam-do
Rank in region
#1of 14
Distance to capital
86 km
to Seoul
Elevation
40 m
Approximate — modelled, not surveyed
Time zone
Asia/Seoul
Coordinates
36.806, 127.152
Record updated
2025-04-01
Entry edited, not measured

City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.

Nearby Cities

All 144 in South Korea

Closest listed cities by great-circle distance from the city centre.

13KMAsan98K people22KMPyeongtaek365K people25KMAnseong69K people27KMChinch'ŏn61K people27KMSejong395K people

Compared with the World's Largest Cities

City-proper population against the fifteen largest cities in the dataset.

  1. Shanghai24.9M
  2. Beijing19M
  3. Shenzhen17.5M
  4. Guangzhou16.1M
  5. Kinshasa16M
  6. Istanbul15.7M
  7. Lagos15.4M
  8. Ho Chi Minh City14M
  9. Chengdu13.6M
  10. Lahore13M
  11. Mumbai12.7M
  12. São Paulo12.4M
  13. Mexico City12.3M
  14. Karachi11.6M
  15. Tianjin11.1M
  16. Cheonan659K
City-proper figures only. Administrative boundaries differ between countries, so these are not directly comparable to metropolitan-area estimates.
Cheonan compared with the fifteen largest cities
NameCity population
Shanghai24.9M
Beijing19M
Shenzhen17.5M
Guangzhou16.1M
Kinshasa16M
Istanbul15.7M
Lagos15.4M
Ho Chi Minh City14M
Chengdu13.6M
Lahore13M
Mumbai12.7M
São Paulo12.4M
Mexico City12.3M
Karachi11.6M
Tianjin11.1M
Cheonan659K

Cheonan Population FAQ

What is the population of Cheonan?

Cheonan has a city population of 658,831. That is the population within the city's own boundary, not its wider metropolitan area. City population, GeoNames.

Where is Cheonan?

Cheonan is in Chungcheongnam-do, South Korea, 86 km from the capital, Seoul. Its coordinates are 36.806, 127.152.

How big is Cheonan compared with other cities in South Korea?

It is the 14th largest of the 144 cities of 15,000 or more listed in South Korea, holding 1.3% of the national population.

Explore

South KoreaAll 144 citiesChungcheongnam-do14 cities in the regionCountry profileSouth Korea population & indicators